People are doing pretty interesting things with Emacs (now on version 30.2!) these days, if you haven’t checked in recently. The bleeding edge has always been people into Org Mode. Sacha Chua has hooked up Whisper to Emacs to talk to it.
Emacs is probably one of the first and best examples of self-modifying software that contours to your brain. With vibe coding, we may get back to that space where everyone’s personal setup is like a crazy specific Emacs config file.